Untermhaus



(No Model.)

I'. H. & J. G. BUIE.

l AGGORDION. N0.a65,5o1. Patenteduneza,1887..

Figi.

' gmbH/54 l' ffy/2% y Q @www @WLM-Mund UNITED. STATES PATENT OEEICE.

FRANZ HEINRICH BUFE AND JOHANN GOTTFRIED BUFE, OF GERA- UNTERMHAUS, REUSS JNGERE LINIE, GERMANY.

ACCO'RDION.

SPECIFICATION forming part of Letters Patent Noi 365.501, dated June 28, 188'7.y

Application tiled October 12, 1866. Serial No. 2l5,981. (No model.)

are in our'deviee not located inside of the bellows, but are placed upon the upper side of the soundboard, whereby the sound is free to escape full and without hinderance. K

In the accompanying drawings, Figure 1 represents a section through the sound-board of our improved harmonica in its normal position. Fig. 2 is a similar section showing the valve open.

A is the sound-box, to the lower end, A', of which is titted a bellows, in the ordinary manner.

B is a key provided with knob C. rIhepro4 tecting-cover D has the openings E, which are covered on their under side with gauze F. On the upper and outer side of the sound-board G' are applied the metallic tongues G, which, on opening valve H, produce the tone when air is forced through the channels J from the Each of the valves H is operated by bellows.

pressing knob G, which will oscillate key B on pivot M, against the action of a spring, I). 'Io key B there is attached a bent wire, L, that engages a slot, N, of lever O, to which the valve H is attached. Thus the lever O will, on beingoscillated, cause the valve H to open, Fig. 2. On releasing knob C the channel J will be Aclosed by the valve H under the inlinence of spring l?, which will force the key B and the knob Oback into their normal position.

R is an elastic packing, of rubber, leather, or of similar material, around wire L.

We claim as our invention- 1. In a harmonica or accordion, the combi-4 nation of soundAboX A and soundboard G', with the tongues G afixed to the outer and upper side of said sound-board, and with the valves H, perforated cover D, and gauze F, substantially as specified.

2. In a harmonica or accordion, the combination of sound-box A and sound-board G, with tongues G, keys B, knobs C, springs I?, wire L, lever O, and packing R, substantially as specified.

In testimony whereof we hereunto sign our names, in the presence of two subscribing witnesses, this 24th day of September, 1886.

FRANZ HEINRICH BUFE. JOHANN GOTTFRIED BUFE.

Witnesses:

FRIDRICH ERNST SCHEIBE, FRIEDRIoI-I WILHELM ZIEGLER. 

